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Having trouble choosing a grow light? Check out our article - What is the best grow light for your needs? It covers all the main factors you need to consider.

1000 Watt LED Grow Light - Top 4 Lights For Sale in 2019

Best 1000 Watt LED Grow Lights

These lights again?

If you've been busy reading articles on the best 1000 watt LED grow lights, you've probably seen the same lights over and over again.

That changes now.

The reason everyone recommends those lights (and then helpfully provides a link to Amazon) is that Amazon pays them an 8% commission whenever someone buys something after clicking on their link.

When you click through to Amazon, a "cookie" is stored on your computer. If you then make a purchase on Amazon, the cookie tells them what site you came from and they pay that site their 8% commission.

We recommend different lights, because we base our recommendations on features, not commissions.

We don't link to Amazon, because we sell all of the lights on our own site. We make money no matter which light you buy.

Or, if you choose to buy elsewhere, we make nothing, no matter which light you buy.

Either way, the four 1000w lights we highlight below are the best value for money you'll find on the market today.

All 4 of these lights are excellent. Which one is right for you depends on your personal needs and preferences. This post will help you decide.

 

1000 Watt LED Grow Light Comparison Table

Model

ES300 (x2)

Electric Sky 300

Mega

NextLight Mega Review

SolarSystem 1100

California Lightworks SolarSystem 1100 Review

PhytoMax-2 600

Brand Green Sunshine Co NextLight California Lightworks Black Dog LED
Actual Wattage 600 650 up to 800 630
Spectrum full-spectrum white with UVA and IR full-spectrum white full-spectrum  full-spectrum with UVA and IR
Light Output
Canopy Penetration
Coverage Area 4 by 4 5 by 5 4 by 4 5 by 5
Best Feature wideband spectrum coverage and penetration one controller for many lights coverage and penetration
Weakness coverage only white LEDs coverage  no customization
Price $1320.50 $1525.50 $1599 $1549
Get it if you want...

 

wideband full-spectrum light

 

Get more info

 

full-spectrum white light

 

Read full review

 

one controller for 1000 lights

 

Read full review

 

the best output per watt

 

Read full review

 

Factors to Consider When Buying a 1000 Watt LED Plant Light 

Actual Wattage

This is the actual amount of electricity the fixture will use. Three of the lights featured here always use the same wattage, while the other one has a range. That's because it gives you some control over the spectrum.

During the vegetative stage of growth, for example, plants don't need as much light as they do during flowering. A fixture that lets you turn off LEDs (or dial back their intensity) when they are not needed will save you money in electricity costs.

 

Spectrum

There are two factors to consider here: the color of the light and how customizable it is.

1. White LEDs vs. Colored LEDs

First it should be noted that the fixtures using colored LED lights also have some white LEDs in the mix. But the NextLight Mega and the Green Sunshine Company Electric Sky 300 use ONLY white LEDs.

And depending on whom you ask, fixtures using only full-spectrum white LEDs are either amazing or completely worthless.

Here are the two sides:

Pro White Light

Proponents of all-white LED grow lights say their spectrum is the most natural, since it is very similar to the sun. It basically gives you the same light as an HPS bulb combined with a metal-halide bulb. In other words: an HPS spectrum with additional blue light.

HPS light has proven to work well and plants obviously love sunlight, so it only makes sense that white LED light is the best way to go. And it does work, just like the HPS and MH light it replaces.

And white light has one more advantage—one that is very important to some people. Your plants look natural under white light, so it is much easier to inspect them and to notice any discolorations, etc. This can be quite difficult under pink light.

Against White Light

Opponents of white light point out that it's mostly made up of green and yellow light, which is used only minimally by plants and thus mostly goes to waste. This is fine for the sun, since it is an unlimited supply of free light. But when YOU'RE footing the bill, wouldn't it be better to not pay for all that wasted light?

So, which side of this debate are you on? If you prefer all-white light, the NextLight or the Electric Sky are the fixtures for you. If you prefer a mix of colors, you can safely ignore those two lights.

2. Customizable Spectrum

Some lights have separate modes for veg and bloom and some, like the California Lightworks SolarSystem series, give you complete control over the spectrum.

The advantage of this is a lower electricity bill. Plants don't need as much light during vegging as they do during flowering and they need even less during cloning. Being able to dial back the amount of light means you use less power.

But there's a flip side. Some of those savings are offset by a longer grow cycle. When you change the color spectrum mid-grow, plants get a shock and suffer from growth stalling for up to two weeks. Switching modes on an LED light will not cause an overly long period of stalled growth, but you can count on a few days' delay.

During this time, you will have to pay for electricity to run the lights and for nutrients to feed the plants. This won't make up for the savings you get from switching the color spectrum, but a shorter grow time is very important to some. Furthermore, fixtures with only one mode are obviously much easier to operate—just turn it on and forget about it. 

 

Light Output

1000w LED fixtures generally have an output equal to 900 watts of HPS light, despite what many manufacturers claim.

For our ratings, we gave 4 stars to the fixtures whose intensity is about equal to 900 HPS watts and 5 stars for an intensity better than a 1000 watt HPS bulb.

The Electric Sky 300 is actually much weaker than the other lights, which is why we use two of them for this comparison. Two ES-300 lights are equivalent to a 1000w HID light.

 

Canopy Penetration

Again, almost all manufacturers claim their LED light penetrates as deeply below the canopy as HPS light, but that is rarely the case. We gave 5 stars to lights that equal the penetration of an HPS bulb and 4 stars if they fall just short. 

 

Coverage Area

This is the area in feet that the light will cover during flowering. During vegging, they can cover an additional foot or two in length and width. So a light that covers 4 by 4 feet during flowering will cover 5 by 5 or 6 by 6 feet during vegging.

 

The 4 Best 1000 Watt Horticultural LED Lights

2x Green Sunshine Co ES300 — Wideband Spectrum Replicates Sun's IR Power

The Green Sunshine Company Electric Sky 300 (link goes to the product page) is brand-new and one of the most technologically advanced lights on the market. We use two of these lights for this comparison, because two are equivalent to 1000 watts (though two together still cost less than all other lights in this article).

The two groundbreaking features of the Electric Sky lights are the wideband spectrum and the unique configuration of optic lenses.

The wideband spectrum replicates the infrared power of the sun. It is a full-spectrum white light that also contains near red light (IR). It penetrates deeper below the canopy and leads to much higher yields.

The unique optics configure the light from 1 ES-300 into a perfect rectangle, and that from 2 of these lights into a perfect square.

This leads to a much more even distribution that doesn't suffer from the huge dropoff in light in the corners of the coverage area that plagues other lights. It also allows you to hang the light much closer to your plants, without burning them.

Positives

  • Lowest power usage of any light this size
  • Wideband spectrum that gives you deeper penetration and improved yields
  • Optic lenses that focus the light into a rectangle, drastically reducing light dropoff in the corners of the coverage area
  • Low price when compared to the other lights on this list

Negatives

  • Two lights required to get similar output to only one of the other lights
  • Smaller coverage area even with two of these lights, the coverage area is a bit smaller (but output is much more even across the area)
  • Can't customize the spectrum with this light (it's debatable whether this is a negative)

Get more info

 

 

NextLight Mega — Best Full-Spectrum White LED Grow Light

A part of NextLight's commercial series, the Mega  (link goes to full review) delivers an output equal to a double ended 1000 watt HPS light, but with a spectrum that contains more blue than HPS. In fact, the NextLight spectrum is very similar to natural sunlight and thus works well throughout all grow cycles.

Positives

  • 5 by 5 foot coverage areathe largest among 1000w equivalent LEDs
  • 2.15 PPF/wattthe most output per watt among all full-spectrum LED lights
  • Deep canopy penetrationequal to a 1000 watt DE HPS bulb
  • Low heat outputno internal fans, so completely silent
  • LEDs rated for 100,000 hoursthe longest among LED fixtures
  • Great warranty and best after-sale care in the industry, by far

Negatives

  • Only white LEDs (may be a positive to some)
  • No customization (same spectrum all the time)
  • No UV/IR

Read the full review

 

 

California Lightworks SolarStorm 1100 — Fully Customizable Spectrum Using Controller

California Lightworks (link to full product review) manufacture their lights entirely in the US from American and German parts. Their lights are exceptionally high quality and they enjoy a stellar reputation in the industry as a result. Like the other lights on this list, they do not make bogus or exaggerated claims about their lights.

Positives

  • Top-bin 5 watt Osram diodes—high power for penetration and intensity that beats HPS
  • Fully customizable spectrum using optional controller (sold separately)
  • Veg and bloom modesuses less power during veg and save money

Negatives

  • To take advantage of all features, you need to purchase the spearate controller for another $179
  • Coverage area is a bit smaller than the 2 of the other lights

Read the full review

 

 

Black Dog PhytoMax-2 600 — Best Multi-Band Full Spectrum Light

Black Dog is the most honest LED company. This light uses 630 actual watts, so they named it the PhytoMax-2 600 (link to full review). Other companies would have called it the PhytoMax-2 1000. Despite the 600 in the name, this light is easily equivalent to 1000 watts of HPS power and is actually the most powerful fixture on this list.

Positives

  • Uses only 5 watt diodespowerful light that matches HPS in intensity and penetration
  • 5 by 5 foot coveragelarger than all equivalent lights except the Mega
  • Amazing heat managementdespite 5 watt diodes, emits similar amount of heat to competitors

Negatives

  • No customization (same spectrum for all stages)
  • Warranty and return policy not quite as good as CLW

Read the full review

 


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